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Ip=[165.204.84.17]; Helo=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF0000013C.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7585 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Fangzhi Zuo [Why] hdmi_frl_status_polling_work() skipped any link whose connector_signal was not SIGNAL_TYPE_HDMI_FRL. connector_signal is not reliably set to SIGNAL_TYPE_HDMI_FRL while a link is actually running FRL, so links that were operating in FRL mode were skipped and their status flags never got polled, missing link-retrain events. [How] Use frl_link_settings.frl_link_rate to decide whether a link is running FRL. A non-zero rate means FRL is active, so only links with a zero rate are skipped. This ensures every link actually operating in FRL mode is polled for status changes. Reviewed-by: Harry Wentland Signed-off-by: Fangzhi Zuo Signed-off-by: Roman Li --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c index a8f089d4fb72..e637db2723c1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c @@ -3009,7 +3009,7 @@ static void hdmi_frl_status_polling_work(struct work_struct *work) if (!dc_is_hdmi_signal(dc_link->connector_signal)) continue; - if (dc_link->connector_signal != SIGNAL_TYPE_HDMI_FRL) + if (dc_link->frl_link_settings.frl_link_rate == 0) continue; link_update = dc_link_frl_poll_status_flag(dc_link); -- 2.34.1